<template>
    <el-dialog :title="showTitle" :visible="showDialog" @close="close">
        <el-form label-width="120px" :model="formData" :rules="rules" ref="addDept">
            <el-form-item prop="name" label="部门名称">
                <el-input placeholder="2-10个字符" style="width: 80%" size="mini" v-model="formData.name" />
            </el-form-item>
            <el-form-item prop="code" label="部门编码">
                <el-input placeholder="2-10个字符" style="width: 80%" size="mini" v-model="formData.code" />
            </el-form-item>
            <el-form-item prop="managerId" label="部门负责人">
                <el-select placeholder="请选择负责人" style="width: 80%" size="mini" v-model="formData.managerId">
                    <el-option v-for="item in managerList" :key="item.id" :label="item.username" :value="item.id" />
                </el-select>
            </el-form-item>
            <el-form-item prop="introduce" label="部门介绍">
                <el-input placeholder="1-100个字符" type="textarea" size="mini" :rows="4" style="width: 80%"
                    v-model="formData.introduce" />
            </el-form-item>
            <el-form-item>
                <!-- 按钮 -->
                <el-row type="flex" justify="center">
                    <el-col :span="12">
                        <el-button size="mini" type="primary" @click="btnOK()">确定</el-button>
                        <el-button size="mini" @click="close()">取消</el-button>
                    </el-col>
                </el-row>
            </el-form-item>
        </el-form>
    </el-dialog>
</template>
<script>
import { getDepartment, getManagerList, addDepartment, getDepartmentDetail, updateDepartment } from '@/api/department'
export default {
    name: 'AddDept',
    data() {
        return {
            managerList: [],
            formData: {
                code: '', // 部门编码
                introduce: '', // 部门介绍
                managerId: '', // 部门负责人id
                name: '', // 部门名称
                pid: '' // 父级部门的id
            },
            rules: {
                code: [{ required: true, message: '部门编码不能为空', trigger: 'blur' },
                {
                    min: 2, max: 10, message: '部门编码的长度为2-10个字符', trigger: 'blur'
                },
                {
                    trigger: 'blur',
                    validator: async (rule, value, callback) => {
                        // value就是输入的编码
                        let result = await getDepartment()
                        if (this.formData.id) {
                            result = result.filter(item => item.id !== this.formData.id)
                        }
                        // result数组中是否存在 value值
                        if (result.some(item => item.code === value)) {
                            callback(new Error('部门中已经有该编码了'))
                        } else {
                            callback()
                        }
                    },
                }], // 部门编码
                introduce: [{ required: true, message: '部门介绍不能为空', trigger: 'blur' }, {
                    min: 1, max: 100, message: '部门介绍的长度为1-100个字符', trigger: 'blur'
                }], // 部门介绍
                managerId: [{ required: true, message: '部门负责人不能为空', trigger: 'blur' }], // 部门负责人id
                name: [{ required: true, message: '部门名称不能为空', trigger: 'blur' },
                {
                    min: 2, max: 10, message: '部门名称的长度为2-10个字符', trigger: 'blur'
                },
                {
                    trigger: 'blur',
                    validator: async (rule, value, callback) => {
                        // value就是输入的编码
                        let result = await getDepartment()
                        if (this.formData.id) {
                            result = result.filter(item => item.id !== this.formData.id)
                        }
                        // result数组中是否存在 value值
                        if (result.some(item => item.name === value)) {
                            callback(new Error('部门中已经有该名称了'))
                        } else {
                            callback()
                        }
                    },
                }] // 部门名称
                // pid: '' // 父级部门的id 不需要做校验
            }
        }
    },
    props: {
        showDialog: {
            type: Boolean,
            default: false
        },
        currentNodeId: {
            type: Number,
            default: null
        }
    },
    methods: {
        close() {
            this.formData = {
                code:'',
                introduce:'',
                managerId:'',
                name:'',
                pid:''
            }
            this.$refs.addDept.resetFields()
            this.$emit('update:showDialog', false)
        },
        async getManagerList() {
            this.managerList = await getManagerList()
        },
        btnOK() {
            this.$refs.addDept.validate(async isOK => {
                if (isOK) {
                    let msg = '新增'
                    if (this.formData.id) {
                        msg = '更新'
                        await updateDepartment(this.formData)
                    }else{
                        await addDepartment({ ...this.formData, pid: this.currentNodeId })
                    }
                    this.$emit('updateDepartment')
                    this.$message.success(`${msg}部门成功`)
                    this.close()
                }
            })
        },
        async getDepartmentDetail() {
            this.formData = await getDepartmentDetail(this.currentNodeId)
        },
    },
    created() {
        this.getManagerList()
    },
    computed:{
        showTitle(){
            return this.formData.id ? '编辑部门' : '新增部门'
        }
    }
}
</script>